Thermal and optical properties of new poly(amide-imide)-nanocomposite reinforced by layer silicate based on chiral <i>n</i>-trimellitylimido-L-valine

Authors

  • Khalil Faghihi Organic Polymer Research Laboratory, Department of Chemistry, Faculty of Science, Arak University, Arak
  • Masoumeh Soleimani Polymer Research Laboratory, Department of Chemistry, Faculty of Science, Islamic Azad University, Arak Branch, Arak
  • Shabnam Nezami Polymer Research Laboratory, Department of Chemistry, Faculty of Science, Islamic Azad University, Arak Branch, Arak
  • Meisam Shabanian Organic Polymer Research Laboratory, Department of Chemistry, Faculty of Science, Arak University, Arak

DOI:

https://doi.org/10.20450/mjcce.2012.59

Keywords:

N-trimellitylimido-L-valine moiety, poly(amide-imide), montmorillonite, nanocomposite, optical and thermal properties

Abstract

Two new samples of poly(amide-imide)-montmorillonite reinforced nanocomposites containing N-trimellitylimido-L-valine moiety in the main chain were synthesized by a convenient solution intercalation technique. Poly(amide-imide) (PAI) 5 as a source of polymer matrix was synthesized by the direct polycondensation reaction of N-trimellitylimido-L-valine (3) with 4,4′-diaminodiphenyl ether 4 in the presence of triphenyl phosphite (TPP), CaCl2, pyridine and N-methyl-2-pyrrolidone (NMP). Morphology and structure of the resulting PA-nanocomposite films (5a) and (5b) with 10 and 20 % silicate particles were characterized by FTIR spectroscopy, X-ray diffraction (XRD) and scanning electron microscopy (SEM). The effect of clay dispersion and the interaction between clay and polymeric chains on the properties of nanocomposite films were investigated by using Uv-vis spectroscopy,  thermogravimetric analysis (TGA) and water uptake measurements.

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Published

2012-06-15

How to Cite

Faghihi, K., Soleimani, M., Nezami, S., & Shabanian, M. (2012). Thermal and optical properties of new poly(amide-imide)-nanocomposite reinforced by layer silicate based on chiral <i>n</i>-trimellitylimido-L-valine. Macedonian Journal of Chemistry and Chemical Engineering, 31(1), 79–87. https://doi.org/10.20450/mjcce.2012.59

Issue

Vol. 31 No. 1 (2012)

Section

Polymers

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